{"cve":"CVE-2015-2157","nvd":{"published":"2015-03-27T14:59:05.697","modified":"2026-06-17T00:23:41.533","status":"Modified","description":"The (1) ssh2_load_userkey and (2) ssh2_save_userkey functions in PuTTY 0.51 through 0.63 do not properly wipe SSH-2 private keys from memory, which allows local users to obtain sensitive information by reading the memory.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-200"],"references":["http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151790.html","http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151839.html","http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151933.html","http://lists.opensuse.org/opensuse-updates/2015-03/msg00032.html","http://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html"],"products":["debian:debian_linux","fedoraproject:fedora","opensuse:opensuse","putty:putty","simon_tatham:putty"],"source":"nvd","synced_at":"2026-10-19T20:35:35.528235705+00:00"},"epss":{"cve":"CVE-2015-2157","score":0.00585,"percentile":0.47979,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}